class_docstr: Tests for mesh plugin server.
code: def tearDown(self):
      shutil.rmtree(self.log_dir, ignore_errors=True)
  
imports: import collections.abc
  import os
  import shutil
  import numpy
  import tensorflow
  import time
  from unittest import mock
  from werkzeug import test
  from werkzeug import wrappers
  from tensorboard.backend import application
  from tensorboard.backend.event_processing import data_provider
  from tensorboard.backend.event_processing import plugin_event_multiplexer
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.mesh import mesh_plugin
  from tensorboard.plugins.mesh import summary
  from tensorboard.plugins.mesh import plugin_data_pb2
  from tensorboard.plugins.mesh import test_utils
  from tensorboard.util import test_util
label_desc: Use image node_id 2 for calling the MeshPluginTest obj's underlying member method code with example usage: obj.tearDown() without return types